Version bump for mew UMD js

Version bump for mew UMD js

diff --git a/lib/message_bus/version.rb b/lib/message_bus/version.rb
index 533b8bb..d87f819 100644
--- a/lib/message_bus/version.rb
+++ b/lib/message_bus/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module MessageBus
-  VERSION = "3.2.0"
+  VERSION = "3.3.0"
 end

GitHub sha: a5dc2338